Title :
IQ-coupling-loss-free polarization-switched QPSK modulator
Author :
Yamazaki, Hiroshi ; Goh, Takashi ; Saida, Takashi ; Hashizume, Yasuaki ; Mino, Shinji
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
Abstract :
We devised and fabricated a simple polarization-switched QPSK modulator free from the 3-dB IQ-coupling loss. It consists of only three Mach-Zehnder BPSK modulators and a polarization-coupling circuit, and operated at 43 and 84 Gb/s.
Keywords :
electro-optical modulation; quadrature phase shift keying; IQ-coupling-loss-free polarization-switched QPSK modulator; Mach-Zehnder BPSK modulators; bit rate 43 Gbit/s to 84 Gbit/s; polarization-coupling circuit; Optical attenuators; Optical losses; Optical polarization; Optical transmitters; Phase shift keying;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
